Google Cloud Platform (GCP) is a suite of cloud computing services offered by Google. It provides a variety of infrastructure and platform services, including computing power, storage, databases, machine learning, networking, and big data processing, among others. GCP allows businesses to build, deploy, and manage applications and services on Google's scalable and reliable infrastructure. It competes with other cloud platforms such as Amazon Web Services (AWS) and Microsoft Azure, offering a range of services and tools tailored to various use cases and industries.